1978 Aston Martin V8 Volante vs. 1975 BMW 520
To start off, 1978 Aston Martin V8 Volante is newer by 3 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 5,340 cc (8 cylinders), 1978 Aston Martin V8 Volante is equipped with a bigger engine. In terms of performance, 1978 Aston Martin V8 Volante (317 HP @ 5000 RPM) has 194 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM). In normal driving conditions, 1978 Aston Martin V8 Volante should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1978 Aston Martin V8 Volante weights approximately 519 kg more than 1975 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1978 Aston Martin V8 Volante (434 Nm @ 4000 RPM) has 262 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 1978 Aston Martin V8 Volante will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
| 1978 Aston Martin V8 Volante | 1975 BMW 520 | |
| Make | Aston Martin | BMW |
| Model | V8 Volante | 520 |
| Year Released | 1978 | 1975 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5340 cc | 1991 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 317 HP | 123 HP |
| Engine RPM | 5000 RPM | 5700 RPM |
| Torque | 434 Nm | 172 Nm |
| Torque RPM | 4000 RPM | 4350 RPM |
| Engine Compression Ratio | 10.2:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1814 kg | 1295 kg |
| Vehicle Length | 4670 mm | 4630 mm |
| Vehicle Width | 1890 mm | 1700 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2640 mm |
| Fuel Tank Capacity | 97 L | 70 L |
